From 2ecd68297fc5bf010785764221b05d43e20a95f5 Mon Sep 17 00:00:00 2001
From: Lon Hohberger <lhh@redhat.com>
Date: Tue, 15 Sep 2009 10:29:08 -0400
Subject: [PATCH] Add checkpoint.c stub functions

Signed-off-by: Lon Hohberger <lhh@redhat.com>
---
 server/Makefile     |   2 +-
 server/checkpoint.c | 188 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 189 insertions(+), 1 deletion(-)
 create mode 100644 server/checkpoint.c

diff --git a/server/Makefile b/server/Makefile
index 28e1fc7..e58a4fe 100644
--- a/server/Makefile
+++ b/server/Makefile
@@ -21,7 +21,7 @@ fence_virtd_SOURCES = main.c plugin.c
 libvirt_so_SOURCES = libvirt.c
 null_so_SOURCES = null.c
 multicast_so_SOURCES = mcast.c history.c
-checkpoint_so_SOURCES = virt.c vm_states.c history.c
+checkpoint_so_SOURCES = virt.c vm_states.c history.c checkpoint.c
 
 INCLUDES=-I../include\
 	-I/usr/include/openais -I/usr/include/libvirt \
diff --git a/server/checkpoint.c b/server/checkpoint.c
new file mode 100644
index 0000000..a8d471f
--- /dev/null
+++ b/server/checkpoint.c
@@ -0,0 +1,188 @@
+/*
+  Copyright Red Hat, Inc. 2009
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by the
+  Free Software Foundation; either version 2, or (at your option) any
+  later version.
+
+  This program is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; see the file COPYING.  If not, write to the
+  Free Software Foundation, Inc.,  675 Mass Ave, Cambridge, 
+  MA 02139, USA.
+*/
+/*
+ * Author: Lon Hohberger <lhh at redhat.com>
+ */
+#include <stdio.h>
+#include <simpleconfig.h>
+#include <sys/types.h>
+#include <stdint.h>
+#include <time.h>
+#include <server_plugin.h>
+#include <string.h>
+#include <malloc.h>
+#include <errno.h>
+#include <libvirt.h>
+#ifdef OPENAIS
+#include <openais/cpg.h>
+#else
+#include <corosync/cpg.h>
+#endif
+
+
+#define NAME "checkpoint"
+#define VERSION "0.8"
+
+#define MAGIC 0x1e017afe
+
+struct check_info {
+	int magic;
+	int pad;
+	cpg_handle_t h;
+	virConnectPtr vp;
+};
+
+#define VALIDATE(arg) \
+do {\
+	if (!arg || ((struct check_info *)arg)->magic != MAGIC) { \
+		errno = EINVAL;\
+		return -1; \
+	} \
+} while(0)
+
+
+static int
+ckpt_null(const char *vm_name, void *priv)
+{
+	VALIDATE(priv);
+	printf("[CKPT] Null operation on %s\n", vm_name);
+
+	return 1;
+}
+
+
+static int
+ckpt_off(const char *vm_name, uint32_t seqno, void *priv)
+{
+	VALIDATE(priv);
+	printf("[CKPT] OFF operation on %s seq %d\n", vm_name, seqno);
+
+	return 1;
+}
+
+
+static int
+ckpt_on(const char *vm_name, uint32_t seqno, void *priv)
+{
+	VALIDATE(priv);
+	printf("[CKPT] ON operation on %s seq %d\n", vm_name, seqno);
+
+	return 1;
+}
+
+
+static int
+ckpt_devstatus(void *priv)
+{
+	printf("[CKPT] Device status\n");
+	VALIDATE(priv);
+
+	return 0;
+}
+
+
+static int
+ckpt_status(const char *vm_name, void *priv)
+{
+	VALIDATE(priv);
+	printf("[CKPT] STATUS operation on %s\n", vm_name);
+
+	return 1;
+}
+
+
+static int
+ckpt_reboot(const char *vm_name, uint32_t seqno, void *priv)
+{
+	VALIDATE(priv);
+	printf("[CKPT] REBOOT operation on %s seq %d\n", vm_name, seqno);
+
+	return 1;
+}
+
+
+static int
+ckpt_init(backend_context_t *c, config_object_t *config)
+{
+	//char value[256];
+	struct check_info *info = NULL;
+
+	info = malloc(sizeof(*info));
+	if (!info)
+		return -1;
+
+	memset(info, 0, sizeof(*info));
+
+	info->magic = MAGIC;
+
+	*c = (void *)info;
+	return 0;
+}
+
+
+static int
+ckpt_shutdown(backend_context_t c)
+{
+	struct check_info *info = (struct check_info *)c;
+
+	VALIDATE(info);
+	info->magic = 0;
+	free(info);
+
+	return 0;
+}
+
+
+static fence_callbacks_t ckpt_callbacks = {
+	.null = ckpt_null,
+	.off = ckpt_off,
+	.on = ckpt_on,
+	.reboot = ckpt_reboot,
+	.status = ckpt_status,
+	.devstatus = ckpt_devstatus
+};
+
+static backend_plugin_t ckpt_plugin = {
+	.name = NAME,
+	.version = VERSION,
+	.callbacks = &ckpt_callbacks,
+	.init = ckpt_init,
+	.cleanup = ckpt_shutdown,
+};
+
+
+#ifdef _MODULE
+double
+BACKEND_VER_SYM(void)
+{
+	return PLUGIN_VERSION_BACKEND;
+}
+
+const backend_plugin_t *
+BACKEND_INFO_SYM(void)
+{
+	return &ckpt_plugin;
+}
+#else
+static void __attribute__((constructor))
+ckpt_register_plugin(void)
+{
+	plugin_register(&ckpt_plugin);
+}
+#endif